function profile() {
    var divpro = $('#divprofile');
    if (divpro.is(':hidden')) {
        //divpro.show({ duration: 1000 });
        divpro.slideDown(200, function () { $('#profileimg').attr('src', 'images/updont.png'); });
    } else {
        divpro.slideUp(200, function () { $('#profileimg').attr('src', 'images/downdont.png'); });
    }
}